Localized upper left sharp abdo pain radiates to left shoulder blade. i have the urge to burp and release gas a lot. what causes this pain?

typical: Your sx are fairly typical of issues in your stomach : gastritis, peptic ulcer, non-ulcer dyspepsia. There are many otc treatments but if they don't help. You should be evaluated.

Abdominal pain: Left upper abdominal pain can be related to a gastric ulcer, or an intestinal problem, like diverticulitis, which is uncommon in your age. In order to check for ulcer you can check a blood test for a bacteria called h. Pylori. If you have it, 2 weeks of antibiotics and acid blocker can be effective. An upper endoscopy can provide a definitive diagnosis for ulcer.